Where should I mount my amp? What wiring do I need? Does any of it come with the amp? What size power and ground wires do I need for my amplifier? How much air space do I need around my amplifier? What's the biggest amp I can hook up to my car's electrical system? Plus more.

When the stereo pulls too much power out of your car's electrical system, every part of the system suffers, even the amplifier itself. Here we discuss the most popular fixes for an underpowered electrical system: the big 3 upgrade, a capacitor, a larger alternator, and a second battery.

Apple CarPlay lets you use your iPhone more safely in the car by adapting familiar apps and icons for your compatible in-dash receiver. Siri voice control lets you send and receive messages, make calls, play music and more while keeping your eyes on the road.

This step-by-step guide will help you make sure that your amps and subs are evenly matched and work well together, whether you have the subwoofers and want to find the amplifier to run them, or you've already got the amp and want the right subs for it.

With the wide variety of subwoofers available, it's easy to get confused about the best way to wire up your system. These wiring diagrams will help you find the configuration that'll get the most out of your subs and your amplifier.

Factory stereo systems leave a lot to be desired. This problem now has some solutions that let you keep your factory stereo and get spectacular sound, customized for your specific vehicle. The four upgrade systems we discuss in this article improve the factory sound of different vehicles in different ways.

Having a subwoofer in your car is a good thing, but if the subwoofer isn't properly tuned, it won't sound as good as it should. This article describes how to adjust your amplifier so that your subwoofer will sound just the way you want it to.

JVC's KW-V41BT DVD receiver shows off its audio/video muscle by including Bluetooth®, Pandora®, a multi-function USB port, and satellite radio controls - all capped off with touchscreen controls on a vibrant 7" display. It includes DVD and CD playback, lots of ways to hook up additional gear, and robust tone settings to satisfy any urges to tweak the sound.Take a look in this demo video.

A car can be a great place to enjoy music, but many commuters still put up with marginal sound quality that they'd never tolerate at home. Here are some tips on how to improve your vehicle's sound, whether you're listening on a simple factory system or a multi-channel amplified setup.

Kenwood's KDC-BT762HD CD receiver gives you plenty of choices for listening to your music, including wireless audio streaming using Bluetooth, satellite, Internet, and over-the-air radio options, along with a front-panel USB port and aux input for connecting outboard devices. Take a look at in this demo video.

Alpine's CDE-W265BT CD receiver fills your vehicle's double-DIN (4" tall") opening with an easy-to-read two-line display and easy-to-reach controls. And since Alpine puts great sound at the top of their "to-do" list when designing car stereos, you'll also enjoy some innovative technology for upgrading the sonic soundscape in your vehicle. Take a closer look in this demo video.

There are as many kinds of boaters as there are different kinds of boats, so sweeping generalizations are worth about as much as a fishnet windsock. That said, if you see a little bit of yourself in these user profiles, it might help you create your ideal marine audio system.

If you're considering replacing your factory radio with an aftermarket receiver, adding a steering wheel control adapter lets you keep the full functionality and convenience of your steering wheel controls. In this article, we'll cover how steering wheel adapters work and how to choose one that works for you.

Kenwood designed the DPX501BT CD receiver with big buttons and an oversized knob to give you easy access to built-in Bluetooth for hands-free calling and music streaming, as well as all receiver functions. Take a look in this demo video.

Kenwood's DPX301U receiver gives you lots of ways to listen to your music, while big, user-friendly controls make it easy to run the show. It offers wired connectivity for your iPhone or Android, as well as ways to get your favorite digital, over-the-air, and satellite radio music while you cruise. See it in this demo video.